40x49mm Boat Trailer Roller Shock Absorption Bow Roller for Yacht Trailers Marine Accessories Features： 1、 Buffering Effect: When the bow stop is fixed on the bow stop bracket, bow roller can protect and buffer the hull. 2、Boat Weight Support: The bow trailer roller plays a crucial role in supporting the weight of the boat on the trailer, and absorbs excess vibration. 3、Prevents Damage: The roller ensures that your boat will not scratch the bolts or roller brackets. It can help keep your boat centered and prevent the bow from directly contacting the bow bracket. 4、Superior Quality: Crafted from ABS and metal, these rollers are resistant to rust and will not leave marks on your boat, even in extreme marine conditions. 5、Wide Application: The bow trailer bow roller is versatile and applicable for boat yacht or trailers, with user friendly design allows for quick and easy installation Specification： Item Type: Boat?Trailer?Roller Material: ABS+Metal Size: Approx. 40x49mm / 1.57x1.93in Color: Black Fitment: Suitable for Boat Yacht Trailer Package List： 1 x?Boat?Trailer?Roller